This one also produces /dev/random entropy from the sound card:
http://code.google.com/p/snd-egd/
Plug an old FM tuner, without aerial connected, to the sound card for a
useful source of noise ;-)
Mike
On 13/04/2012 08:11, Mark Elkins wrote:
One more - which appears to work for me in generating DNSSEC
signatures.... just fills up /dev/random (and I've no idea if this will
help?)
Install the 'haveged' package, www.irisa.fr/caps/projects/hipsor
Software that reads random stuff from your CPU. Not as good as real
Hardware Entropy devices but its free.
There is also a handful of USB 'stick/memory' looking devices that one
can purchase.
On Fri, 2012-04-13 at 08:35 +0200, Martin Schuster (IFKL IT OS DS CD)
wrote:
On 2012-04-12 16:52, Yan Seiner wrote:
[...]
Not sure what I can do to help the entropy issue. It may just be that
I've had a huge rsync job running for days and if it's using the same pool
it could be draining all the entropy faster than the system can generate
it. I don't know enough about how entropy works to make more than guesses
from googling....
Phil already made some good suggestions, some additional ideas:
If you don't care about the quality of the RNG, you could just inject
data from /dev/urandom into your entropy-pool:
rngd -r /dev/urandom
If you need a cheap, good solution:
http://robseward.com/misc/RNG2/
In case your server isn't locked away in a datacenter, you might also
want to try video/audio entropy sources,
http://www.vanheusden.com/ved/
http://www.vanheusden.com/aed/
hth, cheers,
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